> On Dec 28, 2016, at 15:20, John Santos <j...@egh.com> wrote:
>
> Seems to require a new Python module, Automat.
Good catch, that probably should have been announced at least a little :).
> (Not mentioned in the NEWS file, INSTALL, etc.)
Despite the fact that it would have been good to mention this particular
dependency because its adoption is a new architectural direction for Twisted,
in general we're actually planning to do less communication of dependencies in
this way. Right now, we have redundant listing of dependencies in a few
places, but in the future, setup.py (or more specifically, "packaging
metadata") will be the one, authoritative place that such things are listed.
> I found Automat 0.3.0 (with Glyph's fingerprints on it) at PyPI, but it only
> exists in .whl format.
Although you probably should just use the wheel, the fact that there was only a
wheel was an oversight. I've uploaded an sdist and pushed a corresponding tag
(after making sure that the source files all matched, of course).
> Downloaded it, but I'm not sure what to do next. [...] This is worrisome to
> me because I think this requires Internet access to pypi.python.org, which I
> have on my development and testing systems, but not on my production systems.
> Everything else I've ever needed, I could download and install source files.
As Amber already explained, the ability to deploy offline is very much an
important part of the pip/wheel ecosystem. I went into some detail in one of
my own blog posts on this:
https://glyph.twistedmatrix.com/2015/03/docker-deploy-double-dutch.html
<https://glyph.twistedmatrix.com/2015/03/docker-deploy-double-dutch.html>
Increasingly, we are assuming a pip-like packaging toolchain for dealing with
Twisted's dependencies, so getting familiar with this stuff - pip,
requirements.txt, pinning, virtualenv - is worthwhile. (It'll make your life
easier in more ways than one.) It should handily meet all your requirements
for security and flexibility, and if it doesn't, we have a good working
relationship with the maintainers of all those tools so we'd like to hear about
if it's a problem :).
> Having done this, my app seems to run fine (only quick sanity testing so far.)
Thanks for testing!
-glyph
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